Tucked away in an industrial nook of San Francisco is a Norman-style castle, complete with a turret built more than 150 years ago and a toilet in the shape of a throne.
A documentary by filmmaker Kirsten Dirksen takes viewers inside the walls of Albion Castle, and even she says after living in the city for a decade, she never knew about the stately abode.
The place is currently owned by Bill Gilbert, a retired San Francisco police officer and